Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, William Carr <Jkirk3279@...> 
wrote:
>
> 
> On May 7, 2006, at 12:07 PM, fenrir_co wrote:
> 
> > You can get 40 volume H2O2 (peroxide, hair bleach) at Sally Beauty
> > Supply without needing a license or whatnot to purchase it.
> 
> 

'Volume' doesn't mean percent. I'm not sure of the exact conversion, 
but I believe the strength is only about 15/20%. They have 60 volume 
as well, but only in cream, not in pure liquid.